MESON Chess Problem Database
Problem Display
PID: 178538 (6K1/p4Bp1/1R1p1r2/P1k1n1N1/3R4/7Q/1b3q2/2Nb2B1 w - - 0 1)
Haynes, G
2nd Prize, London Transport Ty. (Busmen's Chess Review), 1964
#2
9 + 9
| 1111 | Busmen's Chess Review | 1965 |
SOLUTION
- SOUND
- Sets
- 1...Qe1
- 2.Rc4#
- 1...Qg3
- 2.Se4#
- 2.Rc4#
- 1...Qxd4
- 2.Se4#
- 1...Qh4
- 2.Rc4#
- 1...Qf1
- 2.Se4#
- 2.Rc4#
- 1...Qc2
- 2.Rc4#
- 1...Qd2
- 2.Se4#
- 2.Rc4#
- 1...Qe2
- 2.Rc4#
- 1...Qg2
- 2.Rc4#
- 1...Qh2
- 2.Se4#
- 2.Rc4#
- 1...Qf3
- 2.Rc4#
- 1...Qf4
- 2.Rc4#
- 1...Qf5
- 2.Rc4#
- 1...Rf3
- 2.Se6#
- 1...Rf4
- 2.Se6#
- 1...Rf5
- 2.Se6#
- 1...Re6
- 2.Sxe6#
- 1...Rxf7
- 2.Se6#
- 1...Be2
- 2.Sb3#
- 1...Bb3
- 2.Sxb3#
- 1...Bf3
- 2.Sb3#
- 1...Bg4
- 2.Sb3#
- 1...Bh5
- 2.Sb3#
- 1...Bxd4
- 2.Se4#
- 2.Qa3#
- 1...Sd3
- 2.Rc4#
- 1...Sf3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 2.Rd5#
- 1...Sg4
- 2.Rc4#
- 1...Sc6
- 2.Rc4#
- 1...Sg6
- 2.Rc4#
- 1...Sd7
- 2.Rc4#
- 1...Qe1
- Tries
- 1.Sd3+?
- 1...Sxd3
- 2.Rc4#
- 1...Kxd4!
- 1...Sxd3
- 1.Qg2?
- threat
- 2.Qd5#
- 1...Qxg2
- 2.Rc4#
- 1...Qf3
- 2.Rc4#
- 1...Rf3
- 2.Se6#
- 1...Bb3
- 2.Sxb3#
- 1...Bf3
- 2.Sb3#
- 1...Sf3
- 2.Rc4#
- 1...d5
- 2.Qxd5#
- 1...Kxd4!
- threat
- 1.Qg4?
- threat
- 2.Rd5#
- 1...Qxd4
- 2.Se4#
- 1...Rxf7
- 2.Se6#
- 1...Bxg4
- 2.Sb3#
- 1...Bxd4
- 2.Se4#
- 1...Sxg4
- 2.Rc4#
- 1...Sxf7
- 2.Sd3#
- 1...Rf4
- 2.Se6#
- 1...Qf4
- 2.Rc4#
- 1...Re6
- 2.Sxe6#
- 1...Bb3
- 2.Sxb3#
- 1...Bf3
- 2.Sb3#
- 1...d5
- 2.Rxd5#
- 1...axb6!
- threat
- 1.Qe6?
- threat
- 2.Qd5#
- 1...Rxe6
- 2.Sxe6#
- 1...Qg2
- 2.Rc4#
- 1...Qf3
- 2.Rc4#
- 1...Bb3
- 2.Sxb3#
- 1...Bf3
- 2.Sb3#
- 1...d5
- 2.Qxd5#
- 1...Kxd4!
- threat
- 1.Qc8+?
- 1...Sc6
- 2.Rc4#
- 1...Kxd4!
- 1...Sc6
- 1.Qh1?
- threat
- 2.Qd5#
- 1...Qg2
- 2.Rc4#
- 1...Qf3
- 2.Rc4#
- 1...Rf3
- 2.Se6#
- 1...Bb3
- 2.Sxb3#
- 1...Bf3
- 2.Sb3#
- 1...Sf3
- 2.Rc4#
- 1...d5
- 2.Qxd5#
- 1...Kxd4!
- threat
- 1.Qb3?
- threat
- 2.Rd5#
- 2.Qd5#
- 2.Qb4#
- 1...Qxd4
- 2.Se4#
- 2.Qd5#
- 2.Qb4#
- 2.Qb5#
- 1...Bxb3
- 2.Sxb3#
- 1...Bxd4
- 2.Se4#
- 2.Qd5#
- 2.Qa3#
- 2.Qb4#
- 2.Qb5#
- 1...axb6
- 2.Qd5#
- 2.Qxb6#
- 1...Qe1
- 2.Rc4#
- 2.Rd5#
- 2.Qd5#
- 2.Qb5#
- 1...Qd2
- 2.Se4#
- 2.Rc4#
- 2.Rd5#
- 2.Qd5#
- 2.Qb5#
- 1...Qg2
- 2.Rc4#
- 2.Rd5#
- 2.Qb4#
- 2.Qb5#
- 1...Qf3
- 2.Rc4#
- 2.Rd5#
- 2.Qb4#
- 2.Qb5#
- 1...Bf3
- 2.Qb4#
- 1...Ba3
- 2.Rd5#
- 2.Qd5#
- 1...Bc3
- 2.Rd5#
- 2.Qd5#
- 1...Sd3
- 2.Rc4#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 1...Sc4
- 2.Rxc4#
- 2.Rd5#
- 2.Qxc4#
- 1...Sc6
- 2.Rc4#
- 2.Rd5#
- 2.Qc4#
- 2.Qd5#
- 1...d5
- 2.Rxd5#
- 2.Qxd5#
- 2.Qb4#
- 1...Kxd4!
- threat
- 1.Qc3+?
- 1...Sc4
- 2.Sd3#
- 2.Se4#
- 2.Rxc4#
- 2.Rd5#
- 2.Qxc4#
- 1...Bxc3!
- 1...Sc4
- 1.Qd3?
- threat
- 2.Se4#
- 2.Rd5#
- 1...Qxd4
- 2.Se4#
- 2.Qb5#
- 1...Bxd4
- 2.Se4#
- 2.Qb5#
- 2.Qa3#
- 1...Sxd3
- 2.Rc4#
- 1...Qe1
- 2.Rc4#
- 2.Rd5#
- 2.Qb5#
- 1...Qe3
- 2.Rd5#
- 1...Qh4
- 2.Rc4#
- 2.Rd5#
- 2.Qb5#
- 1...Qe2
- 2.Rc4#
- 2.Rd5#
- 1...Qg2
- 2.Rc4#
- 2.Rd5#
- 2.Qb5#
- 1...Qf3
- 2.Rc4#
- 2.Rd5#
- 2.Qb5#
- 1...Qf4
- 2.Rc4#
- 2.Rd5#
- 2.Qb5#
- 1...Qf5
- 2.Rc4#
- 2.Rd5#
- 2.Qb5#
- 1...Rf4
- 2.Se6#
- 2.Rd5#
- 1...Bb3
- 2.Sxb3#
- 2.Se4#
- 1...Bf3
- 2.Sb3#
- 1...d5
- 2.Rxd5#
- 1...axb6!
- threat
- 1.Qh4?
- threat
- 2.Rd5#
- 1...Qxd4
- 2.Se4#
- 1...Qxh4
- 2.Rc4#
- 1...Rxf7
- 2.Se6#
- 1...Bxd4
- 2.Se4#
- 1...Sxf7
- 2.Sd3#
- 1...Rf4
- 2.Se6#
- 1...Bg4
- 2.Sb3#
- 1...Sg4
- 2.Rc4#
- 1...Qf4
- 2.Rc4#
- 1...Re6
- 2.Sxe6#
- 1...Bb3
- 2.Sxb3#
- 1...Bf3
- 2.Sb3#
- 1...d5
- 2.Rxd5#
- 1...axb6!
- threat
- 1.Sd3+?
- Keys
- 1.Qf3!
- threat
- 2.Qd5#
- 1...Kxd4
- 2.Bxf2#
- 1...Qxf3
- 2.Rc4#
- 1...Rxf3
- 2.Se6#
- 1...Bxf3
- 2.Sb3#
- 1...Sxf3
- 2.Rc4#
- 1...Qg2
- 2.Se4#
- 2.Rc4#
- 1...Bb3
- 2.Sxb3#
- 1...d5
- 2.Qxd5#
- threat
- 1.Qf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 20
- Sets
- Q(c);::B(B)+R(D),DCHECK
- Q(c);P_SPINQ(c),XR(D)::S(F)
- R(g);N_GUARD::S(F)
- R(g);N_GUARD::S(F),XR(g)
- R(g);N_GUARD,XB(H)::S(F)
- B(a);N_GUARD::S(A)
- B(a);N_GUARD,P_PINB(H)::S(A),XB(a)
- S(e);N_GUARD::R1(D)
- Tries
- Try
- S(A);CHECK
- Vars
- S(e);XS(A)::R1(D)
- Refutation
- K(d);P_SPINQ(c),S_FLIGHT,XR(D)
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- Q(c);XQ(C)::B(B)+R(D),DCHECK
- Q(c);::B(B)+R(D),DCHECK
- R(g);N_GUARD::S(F)
- B(a);N_GUARD,P_PINB(H)::S(A),XB(a)
- B(a);N_GUARD::S(A)
- S(e);N_GUARD::R1(D)
- P(f);::QAR1(C),XP(f)
- Refutation
- K(d);P_SPINQ(c),S_FLIGHT,XR(D)
- Try
- Q(C);
- Threat
- R1(D)
- Vars
- Q(c);P_SPINQ(c),XR(D)::S(F)
- R(g);N_GUARD,XB(H)::S(F)
- B(a);N_GUARD,XQ(C)::S(A)
- B(b);SBLOCK,XR(D)::S(F)
- S(e);N_GUARD,XQ(C)::R1(D)
- S(e);N_GUARD,XB(H)::S(A)
- R(g);N_GUARD::S(F)
- Q(c);::B(B)+R(D),DCHECK
- R(g);N_GUARD::S(F),XR(g)
- B(a);N_GUARD,P_PINB(H)::S(A),XB(a)
- B(a);N_GUARD::S(A)
- P(f);::R1(D),XP(f)
- Refutation
- P(h);XR(G)
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- R(g);XQ(C)::S(F),XR(g)
- Q(c);::B(B)+R(D),DCHECK
- B(a);N_GUARD::S(A),XB(a)
- B(a);N_GUARD::S(A)
- P(f);::QAR1(C),XP(f)
- Refutation
- K(d);P_SPINQ(c),S_FLIGHT,XR(D)
- Try
- Q(C);CHECK
- Vars
- S(e);P_SPINS(e)::R1(D)
- Refutation
- K(d);P_SPINQ(c),S_FLIGHT,XR(D)
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- Q(c);::B(B)+R(D),DCHECK
- R(g);N_GUARD::S(F)
- B(a);N_GUARD,P_PINB(H)::S(A),XB(a)
- B(a);N_GUARD::S(A)
- S(e);N_GUARD::R1(D)
- P(f);::QAR1(C),XP(f)
- Refutation
- K(d);P_SPINQ(c),S_FLIGHT,XR(D)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- B(a);P_PINB(H),XQ(C)::S(A),XB(a)
- B(a);::QAB1(C)
- Refutation
- K(d);P_SPINQ(c),S_FLIGHT,XR(D)
- Try
- Q(C);CHECK
- Refutation
- B(b);XQ(C)
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- S(e);N_GUARD,XQ(C)::R1(D)
- Q(c);::R1(D)
- B(a);N_GUARD::S(A)
- P(f);::R1(D),XP(f)
- Refutation
- P(h);XR(G)
- Try
- Q(C);
- Threat
- R1(D)
- Vars
- Q(c);P_SPINQ(c),XR(D)::S(F)
- Q(c);XQ(C)::B(B)+R(D),DCHECK
- R(g);N_GUARD,XB(H)::S(F)
- B(b);SBLOCK,XR(D)::S(F)
- S(e);N_GUARD,XB(H)::S(A)
- R(g);N_GUARD::S(F)
- B(a);N_GUARD::S(A)
- S(e);N_GUARD::R1(D)
- Q(c);::B(B)+R(D),DCHECK
- R(g);N_GUARD::S(F),XR(g)
- B(a);N_GUARD,P_PINB(H)::S(A),XB(a)
- P(f);::R1(D),XP(f)
- Refutation
- P(h);XR(G)
- Try
- Actual
- Q(C);
- Threat
- QAR1(C)
- Vars
- K(d);OGATEB,P_SPINQ(c),S_FLIGHT,XR(D)::B(B),XQ(c)
- Q(c);XQ(C)::B(B)+R(D),DCHECK
- R(g);N_GUARD,XQ(C)::S(F)
- B(a);N_GUARD,XQ(C)::S(A)
- S(e);N_GUARD,XQ(C)::R1(D)
- B(a);N_GUARD,P_PINB(H)::S(A),XB(a)
- P(f);::QAR1(C),XP(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).